<!doctype html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>颜色边框</title>
    <link rel="stylesheet" href="css/bootstrap.css">
    <style>
        .box{
            width: 100px;
            height: 100px;
        }

    </style>
</head>
<body>
<div class="text-primary">Hello Bootstrap</div>
<div class="text-secondary">Hello Bootstrap</div>
<div class="text-success">Hello Bootstrap</div>
<div class="text-danger">Hello Bootstrap</div>
<div class="text-warning">Hello Bootstrap</div>
<div class="text-light">Hello Bootstrap</div>
<div class="text-dark">Hello Bootstrap</div>
<div class="text-white">Hello Bootstrap</div>
<div class="text-white-50">Hello Bootstrap</div>
<hr/>
<div class="bg-primary">Hello Bootstrap</div>
<div class="bg-secondary">Hello Bootstrap</div>
<div class="bg-success">Hello Bootstrap</div>
<div class="bg-danger">Hello Bootstrap</div>
<div class="bg-warning">Hello Bootstrap</div>
<div class="bg-light">Hello Bootstrap</div>
<div class="bg-dark">Hello Bootstrap</div>
<div class="bg-white">Hello Bootstrap</div>
<div class="bg-white-50">Hello Bootstrap</div>
<div class="bg-transparent">Hello Bootstrap</div>
<hr/>

<div class="box border border-danger rounded"></div>
<div class="box bg-success rounded-circle"></div>
<div class="box bg-success rounded-circle"></div>
<div class="box bg-success rounded-circle"></div>
<div class="box bg-success rounded-circle"></div>
<div class="box bg-success rounded-circle"></div>
<div class="box bg-success rounded-circle"></div>

<script src="node_modules/jquery/dist/jquery.slim.js"></script>
<script src="js/bootstrap.bundle.js"></script>
</body>
</html>